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path: root/xfa/src/fxbarcode/common/BC_CommonPerspectiveTransform.cpp
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Diffstat (limited to 'xfa/src/fxbarcode/common/BC_CommonPerspectiveTransform.cpp')
-rw-r--r--xfa/src/fxbarcode/common/BC_CommonPerspectiveTransform.cpp212
1 files changed, 117 insertions, 95 deletions
diff --git a/xfa/src/fxbarcode/common/BC_CommonPerspectiveTransform.cpp b/xfa/src/fxbarcode/common/BC_CommonPerspectiveTransform.cpp
index 7fbcac5bb2..498cca2dbb 100644
--- a/xfa/src/fxbarcode/common/BC_CommonPerspectiveTransform.cpp
+++ b/xfa/src/fxbarcode/common/BC_CommonPerspectiveTransform.cpp
@@ -22,104 +22,126 @@
#include "../barcode.h"
#include "BC_CommonPerspectiveTransform.h"
-CBC_CommonPerspectiveTransform::CBC_CommonPerspectiveTransform(FX_FLOAT a11, FX_FLOAT a21, FX_FLOAT a31,
- FX_FLOAT a12, FX_FLOAT a22, FX_FLOAT a32,
- FX_FLOAT a13, FX_FLOAT a23, FX_FLOAT a33) :
- m_a11(a11), m_a21(a21), m_a31(a31),
- m_a12(a12), m_a22(a22), m_a32(a32),
- m_a13(a13), m_a23(a23), m_a33(a33)
-{
+CBC_CommonPerspectiveTransform::CBC_CommonPerspectiveTransform(FX_FLOAT a11,
+ FX_FLOAT a21,
+ FX_FLOAT a31,
+ FX_FLOAT a12,
+ FX_FLOAT a22,
+ FX_FLOAT a32,
+ FX_FLOAT a13,
+ FX_FLOAT a23,
+ FX_FLOAT a33)
+ : m_a11(a11),
+ m_a21(a21),
+ m_a31(a31),
+ m_a12(a12),
+ m_a22(a22),
+ m_a32(a32),
+ m_a13(a13),
+ m_a23(a23),
+ m_a33(a33) {}
+CBC_CommonPerspectiveTransform::~CBC_CommonPerspectiveTransform() {}
+CBC_CommonPerspectiveTransform*
+CBC_CommonPerspectiveTransform::QuadrilateralToQuadrilateral(FX_FLOAT x0,
+ FX_FLOAT y0,
+ FX_FLOAT x1,
+ FX_FLOAT y1,
+ FX_FLOAT x2,
+ FX_FLOAT y2,
+ FX_FLOAT x3,
+ FX_FLOAT y3,
+ FX_FLOAT x0p,
+ FX_FLOAT y0p,
+ FX_FLOAT x1p,
+ FX_FLOAT y1p,
+ FX_FLOAT x2p,
+ FX_FLOAT y2p,
+ FX_FLOAT x3p,
+ FX_FLOAT y3p) {
+ CBC_AutoPtr<CBC_CommonPerspectiveTransform> qToS(
+ QuadrilateralToSquare(x0, y0, x1, y1, x2, y2, x3, y3));
+ CBC_AutoPtr<CBC_CommonPerspectiveTransform> sToQ(
+ SquareToQuadrilateral(x0p, y0p, x1p, y1p, x2p, y2p, x3p, y3p));
+ return sToQ->Times(*(qToS.get()));
}
-CBC_CommonPerspectiveTransform::~CBC_CommonPerspectiveTransform()
-{
+void CBC_CommonPerspectiveTransform::TransformPoints(CFX_FloatArray* points) {
+ int32_t max = points->GetSize();
+ FX_FLOAT a11 = m_a11;
+ FX_FLOAT a12 = m_a12;
+ FX_FLOAT a13 = m_a13;
+ FX_FLOAT a21 = m_a21;
+ FX_FLOAT a22 = m_a22;
+ FX_FLOAT a23 = m_a23;
+ FX_FLOAT a31 = m_a31;
+ FX_FLOAT a32 = m_a32;
+ FX_FLOAT a33 = m_a33;
+ int32_t i;
+ for (i = 0; i < max; i += 2) {
+ FX_FLOAT x = (*points)[i];
+ FX_FLOAT y = (*points)[i + 1];
+ FX_FLOAT denominator = a13 * x + a23 * y + a33;
+ (*points)[i] = (a11 * x + a21 * y + a31) / denominator;
+ (*points)[i + 1] = (a12 * x + a22 * y + a32) / denominator;
+ }
}
-CBC_CommonPerspectiveTransform *CBC_CommonPerspectiveTransform::QuadrilateralToQuadrilateral(FX_FLOAT x0, FX_FLOAT y0,
- FX_FLOAT x1, FX_FLOAT y1,
- FX_FLOAT x2, FX_FLOAT y2,
- FX_FLOAT x3, FX_FLOAT y3,
- FX_FLOAT x0p, FX_FLOAT y0p,
- FX_FLOAT x1p, FX_FLOAT y1p,
- FX_FLOAT x2p, FX_FLOAT y2p,
- FX_FLOAT x3p, FX_FLOAT y3p)
-{
- CBC_AutoPtr<CBC_CommonPerspectiveTransform> qToS(QuadrilateralToSquare(x0, y0, x1, y1, x2, y2, x3, y3));
- CBC_AutoPtr<CBC_CommonPerspectiveTransform> sToQ(SquareToQuadrilateral(x0p, y0p, x1p, y1p, x2p, y2p, x3p, y3p));
- return sToQ->Times(*(qToS.get()));
+CBC_CommonPerspectiveTransform*
+CBC_CommonPerspectiveTransform::SquareToQuadrilateral(FX_FLOAT x0,
+ FX_FLOAT y0,
+ FX_FLOAT x1,
+ FX_FLOAT y1,
+ FX_FLOAT x2,
+ FX_FLOAT y2,
+ FX_FLOAT x3,
+ FX_FLOAT y3) {
+ FX_FLOAT dy2 = y3 - y2;
+ FX_FLOAT dy3 = y0 - y1 + y2 - y3;
+ if ((dy2 == 0.0f) && (dy3 == 0.0f)) {
+ return FX_NEW CBC_CommonPerspectiveTransform(x1 - x0, x2 - x1, x0, y1 - y0,
+ y2 - y1, y0, 0.0f, 0.0f, 1.0f);
+ } else {
+ FX_FLOAT dx1 = x1 - x2;
+ FX_FLOAT dx2 = x3 - x2;
+ FX_FLOAT dx3 = x0 - x1 + x2 - x3;
+ FX_FLOAT dy1 = y1 - y2;
+ FX_FLOAT denominator = dx1 * dy2 - dx2 * dy1;
+ FX_FLOAT a13 = (dx3 * dy2 - dx2 * dy3) / denominator;
+ FX_FLOAT a23 = (dx1 * dy3 - dx3 * dy1) / denominator;
+ return FX_NEW CBC_CommonPerspectiveTransform(
+ x1 - x0 + a13 * x1, x3 - x0 + a23 * x3, x0, y1 - y0 + a13 * y1,
+ y3 - y0 + a23 * y3, y0, a13, a23, 1.0f);
+ }
}
-void CBC_CommonPerspectiveTransform::TransformPoints(CFX_FloatArray *points)
-{
- int32_t max = points->GetSize();
- FX_FLOAT a11 = m_a11;
- FX_FLOAT a12 = m_a12;
- FX_FLOAT a13 = m_a13;
- FX_FLOAT a21 = m_a21;
- FX_FLOAT a22 = m_a22;
- FX_FLOAT a23 = m_a23;
- FX_FLOAT a31 = m_a31;
- FX_FLOAT a32 = m_a32;
- FX_FLOAT a33 = m_a33;
- int32_t i;
- for (i = 0; i < max; i += 2) {
- FX_FLOAT x = (*points)[i];
- FX_FLOAT y = (*points)[i + 1];
- FX_FLOAT denominator = a13 * x + a23 * y + a33;
- (*points)[i] = (a11 * x + a21 * y + a31) / denominator;
- (*points)[i + 1] = (a12 * x + a22 * y + a32) / denominator;
- }
+CBC_CommonPerspectiveTransform*
+CBC_CommonPerspectiveTransform::QuadrilateralToSquare(FX_FLOAT x0,
+ FX_FLOAT y0,
+ FX_FLOAT x1,
+ FX_FLOAT y1,
+ FX_FLOAT x2,
+ FX_FLOAT y2,
+ FX_FLOAT x3,
+ FX_FLOAT y3) {
+ CBC_AutoPtr<CBC_CommonPerspectiveTransform> temp1(
+ SquareToQuadrilateral(x0, y0, x1, y1, x2, y2, x3, y3));
+ return temp1->BuildAdjoint();
}
-CBC_CommonPerspectiveTransform *CBC_CommonPerspectiveTransform::SquareToQuadrilateral(FX_FLOAT x0, FX_FLOAT y0,
- FX_FLOAT x1, FX_FLOAT y1,
- FX_FLOAT x2, FX_FLOAT y2,
- FX_FLOAT x3, FX_FLOAT y3)
-{
- FX_FLOAT dy2 = y3 - y2;
- FX_FLOAT dy3 = y0 - y1 + y2 - y3;
- if ((dy2 == 0.0f) && (dy3 == 0.0f)) {
- return FX_NEW CBC_CommonPerspectiveTransform(x1 - x0, x2 - x1, x0,
- y1 - y0, y2 - y1, y0,
- 0.0f, 0.0f, 1.0f);
- } else {
- FX_FLOAT dx1 = x1 - x2;
- FX_FLOAT dx2 = x3 - x2;
- FX_FLOAT dx3 = x0 - x1 + x2 - x3;
- FX_FLOAT dy1 = y1 - y2;
- FX_FLOAT denominator = dx1 * dy2 - dx2 * dy1;
- FX_FLOAT a13 = (dx3 * dy2 - dx2 * dy3) / denominator;
- FX_FLOAT a23 = (dx1 * dy3 - dx3 * dy1) / denominator;
- return FX_NEW CBC_CommonPerspectiveTransform(x1 - x0 + a13 * x1, x3 - x0 + a23 * x3, x0,
- y1 - y0 + a13 * y1, y3 - y0 + a23 * y3, y0,
- a13, a23, 1.0f);
- }
+CBC_CommonPerspectiveTransform* CBC_CommonPerspectiveTransform::BuildAdjoint() {
+ return FX_NEW CBC_CommonPerspectiveTransform(
+ m_a22 * m_a33 - m_a23 * m_a32, m_a23 * m_a31 - m_a21 * m_a33,
+ m_a21 * m_a32 - m_a22 * m_a31, m_a13 * m_a32 - m_a12 * m_a33,
+ m_a11 * m_a33 - m_a13 * m_a31, m_a12 * m_a31 - m_a11 * m_a32,
+ m_a12 * m_a23 - m_a13 * m_a22, m_a13 * m_a21 - m_a11 * m_a23,
+ m_a11 * m_a22 - m_a12 * m_a21);
}
-CBC_CommonPerspectiveTransform *CBC_CommonPerspectiveTransform::QuadrilateralToSquare(FX_FLOAT x0, FX_FLOAT y0,
- FX_FLOAT x1, FX_FLOAT y1,
- FX_FLOAT x2, FX_FLOAT y2,
- FX_FLOAT x3, FX_FLOAT y3)
-{
- CBC_AutoPtr<CBC_CommonPerspectiveTransform> temp1(SquareToQuadrilateral(x0, y0, x1, y1, x2, y2, x3, y3));
- return temp1->BuildAdjoint();
-}
-CBC_CommonPerspectiveTransform *CBC_CommonPerspectiveTransform::BuildAdjoint()
-{
- return FX_NEW CBC_CommonPerspectiveTransform(m_a22 * m_a33 - m_a23 * m_a32,
- m_a23 * m_a31 - m_a21 * m_a33,
- m_a21 * m_a32 - m_a22 * m_a31,
- m_a13 * m_a32 - m_a12 * m_a33,
- m_a11 * m_a33 - m_a13 * m_a31,
- m_a12 * m_a31 - m_a11 * m_a32,
- m_a12 * m_a23 - m_a13 * m_a22,
- m_a13 * m_a21 - m_a11 * m_a23,
- m_a11 * m_a22 - m_a12 * m_a21);
-}
-CBC_CommonPerspectiveTransform *CBC_CommonPerspectiveTransform::Times(CBC_CommonPerspectiveTransform &other)
-{
- return FX_NEW CBC_CommonPerspectiveTransform(m_a11 * other.m_a11 + m_a21 * other.m_a12 + m_a31 * other.m_a13,
- m_a11 * other.m_a21 + m_a21 * other.m_a22 + m_a31 * other.m_a23,
- m_a11 * other.m_a31 + m_a21 * other.m_a32 + m_a31 * other.m_a33,
- m_a12 * other.m_a11 + m_a22 * other.m_a12 + m_a32 * other.m_a13,
- m_a12 * other.m_a21 + m_a22 * other.m_a22 + m_a32 * other.m_a23,
- m_a12 * other.m_a31 + m_a22 * other.m_a32 + m_a32 * other.m_a33,
- m_a13 * other.m_a11 + m_a23 * other.m_a12 + m_a33 * other.m_a13,
- m_a13 * other.m_a21 + m_a23 * other.m_a22 + m_a33 * other.m_a23,
- m_a13 * other.m_a31 + m_a23 * other.m_a32 + m_a33 * other.m_a33);
+CBC_CommonPerspectiveTransform* CBC_CommonPerspectiveTransform::Times(
+ CBC_CommonPerspectiveTransform& other) {
+ return FX_NEW CBC_CommonPerspectiveTransform(
+ m_a11 * other.m_a11 + m_a21 * other.m_a12 + m_a31 * other.m_a13,
+ m_a11 * other.m_a21 + m_a21 * other.m_a22 + m_a31 * other.m_a23,
+ m_a11 * other.m_a31 + m_a21 * other.m_a32 + m_a31 * other.m_a33,
+ m_a12 * other.m_a11 + m_a22 * other.m_a12 + m_a32 * other.m_a13,
+ m_a12 * other.m_a21 + m_a22 * other.m_a22 + m_a32 * other.m_a23,
+ m_a12 * other.m_a31 + m_a22 * other.m_a32 + m_a32 * other.m_a33,
+ m_a13 * other.m_a11 + m_a23 * other.m_a12 + m_a33 * other.m_a13,
+ m_a13 * other.m_a21 + m_a23 * other.m_a22 + m_a33 * other.m_a23,
+ m_a13 * other.m_a31 + m_a23 * other.m_a32 + m_a33 * other.m_a33);
}
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